Explore chain of responsibility pattern best practices in C# including handler design, chain construction, error handling, and testable pipeline architectures. Link to article: https://www.devleader.ca/2026/05/31/chain-of-responsibility-pattern-best-practices-in-c-code-organization-and-maintainability

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TL;DR Trace-based evaluation for external and hosted agents: Grade real production traces from Foundry, GCP, AWS, or any framework — no hand-curated datasets required. Grok 4.3: xAI's latest model lands in Foundry for advanced agentic and domain-specific workloads. Link to article: …

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After experimenting with the GitHub Copilot Agent during the 2026 Microsoft MVP Summit, the author faced numerous challenges, including code deletion, slow performance, and inconsistent adherence to coding conventions. Despite these issues, the agent added valuable unit tests to the Spargine projects, but it requires …

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Master ASP.NET Core Web API in .NET 10 -- learn request pipelines, routing, controllers, JWT authentication, error handling, and deployment strategies. Link to article: https://www.devleader.ca/2026/05/30/aspnet-core-web-api-in-net-the-complete-guide

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There is a moment every developer hits when building an AI agent: the demo works, the model responds, the tool calls fire, and everything feels… Link to article: https://build5nines.com/how-to-use-build5nines-sharpvector-with-microsoft-agent-framework-for-local-rag-in-c/

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Build a real-world template method pattern example in C# with a complete document processing pipeline showing practical inheritance-based workflow design. Link to article: https://www.devleader.ca/2026/05/30/template-method-pattern-realworld-example-in-c-complete-implementation

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For years we faked union types with marker interfaces, base classes, and the OneOf library. C# 15 finally bakes them into the language - and here's a quick tour of what they look like and why I think they're a big deal. Link to article: https://www.milanjovanovic.tech/blog/union-types-are-finally-coming-to-csharp

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Learn how UnsafeAccessor in C# (.NET 8+) gives you direct access to private fields, methods, and constructors -- avoids reflection lookup overhead on the hot path, AOT-friendly when the target type and member are statically known at compile time. Link to article: …

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You open your AI coding assistant, paste in a question, ask it to reason through a design, generate some code, fix the code, explain the… Link to article: https://build5nines.com/local-ai-is-coming-for-the-cloud-ai-business-model/

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Disclaimer: This article was created using AI-based writing and communication companions. With their help, the core topics of this rich and nuanced livestream were distilled into a compact blog post format. How do Rust IDEs understand code? That was the central question explored in a recent RustRover livestream …

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Hibernate 7.4 introduced several improvements that simplify loading a page of data along with their associated child collection, historical data access, and audit logging. The article will focus on the following features: You can check out the sample code for this article in this GitHub repository. Limits and Fetch …

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AlphaEvolve is a Google DeepMind algorithm-discovery system that uses Gemini to generate, test, and refine possible algorithm improvements. Its job is not to answer questions; it searches for faster ways to solve complex algorithmic problems. We tried it on a narrow but important part of IntelliJ-based IDEs: indexing, …

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Discover when to use the chain of responsibility pattern in C# with decision criteria, practical scenarios, and examples showing where handler chains fit best. Link to article: https://www.devleader.ca/2026/05/29/when-to-use-chain-of-responsibility-pattern-in-c-decision-guide-with-examples

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Hey! This month’s list is short, but every item is worth your time. Apply for one of up to 40 JetBrains Foundation scholarships for the CSAI BSc program by June 9, try a new AI tools course for developers, discover a program that brings hands-on coding practice into JetBrains IDEs, and read about the value of […] Link …

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There is a big difference between an AI assistant that summarizes a document and an AI agent that deletes a production resource because it “reasoned”… Link to article: https://build5nines.com/how-can-enterprises-prevent-agentic-ai-from-taking-the-wrong-action/

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Boston Children’s Hospital uses OpenAI technology to improve patient care, reduce operational burden, and help diagnose more than 40 rare disease cases. Link to article: https://openai.com/index/boston-childrens-hospital

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How Braintrust engineers use Codex with GPT-5.5 to run experiments and code faster. Link to article: https://openai.com/index/braintrust

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Today we’re rolling out the first bug-fix for TeamCity On-Premises 2026.1 servers. This update addresses over 20 issues and performance issues, including: See TeamCity 2026.1.1 Release Notes for the complete list of resolved issues. Why update? Staying up to date with minor releases ensures your TeamCity instance …

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OpenAI launches Rosalind Biodefense, expanding trusted access to GPT-Rosalind for vetted developers and U.S. government partners advancing biodefense, public health, and pandemic preparedness through frontier AI. Link to article: https://openai.com/index/strengthening-societal-resilience-with-rosalind-biodefense

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OpenAI shares guidance on third-party AI evaluations, covering how to assess model capabilities, safeguards, and validity for frontier systems. Link to article: https://openai.com/index/trustworthy-third-party-evaluations-foundations

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